Add files via upload

amazonlinux-2023/patches/swift-5.10/72049-5.10.patch

@@ -0,0 +1,63 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c758792bf4a..af361fa2bc5 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -890,6 +890,10 @@ if(XCODE)
+   swift_common_xcode_cxx_config()
+ endif()
+
++# Check what linux distribution is being used.
++# This can be used to determine the default linker to use.
++cmake_host_system_information(RESULT DISTRO_NAME  QUERY DISTRIB_PRETTY_NAME)
++
+ # Which default linker to use. Prefer LLVM_USE_LINKER if it set, otherwise use
+ # our own defaults. This should only be possible in a unified (not stand alone)
+ # build environment.
+@@ -901,6 +905,8 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows" AND NOT CMAKE_HOST_SYSTEM_NAME STREQ
+   set(SWIFT_USE_LINKER_default "lld")
+ elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+   set(SWIFT_USE_LINKER_default "")
++elseif(DISTRO_NAME STREQUAL "Amazon Linux 2023")
++  set(SWIFT_USE_LINKER_default "lld")
+ else()
+   set(SWIFT_USE_LINKER_default "gold")
+ endif()
+diff --git a/lib/Driver/UnixToolChains.cpp b/lib/Driver/UnixToolChains.cpp
+index 61498c144a2..2f95393b3ec 100644
+--- a/lib/Driver/UnixToolChains.cpp
++++ b/lib/Driver/UnixToolChains.cpp
+@@ -10,6 +10,8 @@
+ //
+ //===----------------------------------------------------------------------===//
+
++#include <fstream>
++
+ #include "ToolChains.h"
+
+ #include "swift/Basic/Dwarf.h"
+@@ -109,9 +111,24 @@ ToolChain::InvocationInfo toolchains::GenericUnix::constructInvocation(
+
+   return II;
+ }
++// Amazon Linux 2023 requires lld as the default linker.
++bool isAmazonLinux2023Host() {
++      std::ifstream file("/etc/os-release");
++      std::string line;
++
++      while (std::getline(file, line)) {
++        if (line.substr(0, 12) == "PRETTY_NAME=") {
++          if (line.substr(12) == "\"Amazon Linux 2023\"") {
++            file.close();
++            return true;
++          }
++        }
++      }
++      return false;
++    }
+
+ std::string toolchains::GenericUnix::getDefaultLinker() const {
+-  if (getTriple().isAndroid())
++  if (getTriple().isAndroid() || isAmazonLinux2023Host())
+     return "lld";
+
+   switch (getTriple().getArch()) {